OMAHA (DTN) -- Retail fertilizer prices dipped lower in the fourth week of May 2020, according to prices for eight major fertilizers tracked by DTN.

While no fertilizer has moved a significant amount, which DTN designates as 5% or more in either direction, a majority of fertilizers were lower for the first time in ten weeks.

Six fertilizers declined in price compared to last month with anhydrous declining $14/ton, or 3%, to $478/ton. DAP has an average price of $410/ton, down $3; potash $365/ton, down $5; urea $377/ton, down $9; UAN28 $236/ton, down $1; and UAN32 $279/ton, down less than a dollar.

The remaining two fertilizers had slightly higher prices compared to the prior month. MAP had an average price of $434/ton, up $1, and 10-34-0 was $468/ton, up less than $1.

On a price per pound of nitrogen basis, the average urea price was at $0.41/lb.N, anhydrous $0.29/lb.N, UAN28 $0.42/lb.N and UAN32 $0.44/lb.N.

Retail fertilizers are all lower in price from a year ago. Anhydrous is 19% lower, both DAP and MAP are 18% less expensive, UAN28 is 13% lower, urea is 12% less expensive, UAN32 is 11% lower, potash is 7% less expensive and 10-34-0 is 4% lower from last year at this time.